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Fluke 721 Precision Pressure Calibrator- 详细介绍：
Specifications 1-Year |
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| Low pressure sensor | Range | Resolution | Accuracy |
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-14 psi to +16 psi, -0.97 bar to 1.1 bar |
0.001 psi, 0.0001 bar |
0.025 % of full scale | |
| High pressure sensor |
-12 psi to +100 psi, -0.83 bar to 6.9 bar |
0.01 psi, 0.0001 bar |
0.025 % of full scale |
General Specifications |
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| Instrument setup recall | Last used on power-up | ||
| Environmental |
Operating temperature -10 °C to +50 °C Storage temperature (without batteries) -20 °C to +60 °C |
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| Altitude | 2,000 meters | ||
| Ingress protection | IP-40 | ||
| Power requirements | 6.0 v dc | ||
| Battery life | >35 hours, typical usage | ||
| Batteries required | (4) Standard AA cells | ||
| Dimentions (HxWxD) | 7.9" X 4.3" X 2.3" (20 cm X 11 cm X 5.8 cm) | ||
| Weight | 03539 kg (1 lb 3 oz) | ||
| Connectors/ports pressure | Two, 1/8 in NPT, 700P Series Pressure Module; RTD Probe | ||
Electrical and Temperature Measurement 1-Year |
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| Function | Range | Resolution | Accuracy |
| mA measure | 0 to 24 mA | 0.001 mA |
±0.015% of rdg ±0.002mA |
| VDC measure | 0 to 30 VDC | 0.001V |
±0.015% of rdg ±0.002V |
| *Temperature measure (RTD/ Ohms) |
-40 °C to 150 °C (-40 °F to 302 °F) |
0.01 °C, 0.01 °F |
±0.015% of rdg ±0.02 ohms ±0.1°C (±0.2°F) ±0.25 degC (±0.45 degF) combined uncertainty when using 720 RTD probe accessory |
| Loop power supply | 24V | N/A | 24 mA @ 24V |
| *Temperature measurement requires optional Fluke-720RTD Pt-100 RTD probe available as an accessory | |||
Temperature Effect |
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| No effect on accuracy on all functions from 15 °C to 35 °C | |||
| Add ± 0.002 % F.S./°C for temps outside of 15 °C to 35 °C | |||
Available Pressure Engineering Units |
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| psi, bar, mbar, kPa, kgcm2, cmH2O@4°C, cmH2O@20°C, mH2O@4°C, mH2O@20°C, inH2O@4°C, inH2O@20°C, inH2O@60°F, mmHg@0°C, inHg@0°C, ftH2O@4°C, ftH2O@20°C, ftH2O@60°F | |||
